Pics of your antenna, or a model number would make it easier for us to suggest a method of mounting it
I just hid my Holux GR213 underneath the parcel shelf cover in mine
Most will still work through glass & plastics as long as they aren't wired, or metal-film coated like some Renault windscreens are.
Best place for me would be inside the front bumper, but I couln't be arsed running the wire
